gennhill14
13.07.2021 •
Mathematics
8. The surface area of a sphere, A. varies directly as the square of its radius, r. A or(Proportional sign) if a sphere of radius 6 cm has a surface area of approximately 452 cm, find the approximate radius (to the nearest mm) of a sphere of surface area 1000 cm? Need help ASAP
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Ответ:
-1
Step-by-step explanation:
Solve for y into y=mx+b
2x-2y=20
-2y=-2x+20
y=(-2x+20)/-2
y=x-10
the slope is m, so it’s 1
A line perpendicular to that would be -1